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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Exponents and Powers
Question
1
1.
Find the exponential notation of
10
✕
10
✕
10
✕
10
✕
10
✕
10
7
6
10
7
10
6
10
5
12
6
Question
2
2.
Simplify the expression
-6
(
-4
5
)
✕
-6
(
-4
5
)
✕
-6
(
-4
5
)
-18
(
-6
5
)
-18
(
-4
5
)
-18
(
-2
5
)
-19
(
-4
5
)
-17
(
-4
5
)
Question
3
3.
Simplify the expression
2
-9
✕
3
-9
4
-9
6
-8
6
-9
6
-10
9
-9
Question
4
4.
Simplify the expression
(-8)
-4
✕
(-8)
-3
(-8)
-8
(-8)
-6
(-6)
-7
(-10)
-7
(-8)
-7
Question
5
5.
(
1
2
b
c
d
)
✕
(
4
c
6
d
5
)
✕
(
−
7
3
d
9
)
=
196
9
c
15
d
19
−
14
3
b
c
7
d
15
2
b
c
7
d
6
−
14
3
b
c
16
d
11
49
18
d
15
b
c
10
Question
6
6.
[
(-7)
4
]
2
=
(-7)
9
(-4)
8
(-7)
7
(-7)
8
(-10)
8
Question
7
7.
Find the exponential notation of
-10
✕
-10
✕
-10
✕
-10
✕
-10
✕
-10
✕
-10
(-12)
7
(-10)
8
(-7)
7
(-10)
6
(-10)
7
Question
8
8.
The value of
-2
(
-3
2
)
÷
-2
(
3
2
)
1
2
-1
(-2)
-1
3
-1
Question
9
9.
f
2
=
4
✕
f
✕
f
f
f
✕
f
✕
f
f
✕
f
−
f
✕
f
Question
10
10.
Simplify
2
-3
✕
4
-3
2
-3
✕
(-4)
2
2
-10
2
-9
2
-11
5
-10
2
-12
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